docs: backfill XML documentation across 756 files

Adds <summary>, <param>, <typeparam>, and <inheritdoc/> tags to public
members surfaced by commentchecker — resolves 5,847 of 5,869 issues
(99.6%) across three /fixdocs passes.

tests/Core/ZB.MOM.WW.OtOpcUa.Core.Tests/Resilience/DriverResiliencePipelineBuilderTests.cs

@@ -12,6 +12,7 @@ public sealed class DriverResiliencePipelineBuilderTests
 {
     private static readonly DriverResilienceOptions TierAOptions = new() { Tier = DriverTier.A };
 
+    /// <summary>Verifies that read operations retry transient failures.</summary>
     [Fact]
     public async Task Read_Retries_Transient_Failures()
     {
@@ -29,6 +30,7 @@ public sealed class DriverResiliencePipelineBuilderTests
         attempts.ShouldBe(3);
     }
 
+    /// <summary>Verifies that write operations do not retry on failure.</summary>
     [Fact]
     public async Task Write_DoesNotRetry_OnFailure()
     {
@@ -50,6 +52,7 @@ public sealed class DriverResiliencePipelineBuilderTests
         ex.Message.ShouldBe("boom");
     }
 
+    /// <summary>Verifies that alarm acknowledge operations do not retry on failure.</summary>
     [Fact]
     public async Task AlarmAcknowledge_DoesNotRetry_OnFailure()
     {
@@ -70,6 +73,7 @@ public sealed class DriverResiliencePipelineBuilderTests
         attempts.ShouldBe(1);
     }
 
+    /// <summary>Verifies that pipelines are isolated per host.</summary>
     [Fact]
     public void Pipeline_IsIsolated_PerHost()
     {
@@ -83,6 +87,7 @@ public sealed class DriverResiliencePipelineBuilderTests
         builder.CachedPipelineCount.ShouldBe(2);
     }
 
+    /// <summary>Verifies that pipelines are reused for the same driver, host, and capability triple.</summary>
     [Fact]
     public void Pipeline_IsReused_ForSameTriple()
     {
@@ -96,6 +101,7 @@ public sealed class DriverResiliencePipelineBuilderTests
         builder.CachedPipelineCount.ShouldBe(1);
     }
 
+    /// <summary>Verifies that pipelines are isolated per capability.</summary>
     [Fact]
     public void Pipeline_IsIsolated_PerCapability()
     {
@@ -108,6 +114,7 @@ public sealed class DriverResiliencePipelineBuilderTests
         read.ShouldNotBeSameAs(write);
     }
 
+    /// <summary>Verifies that a dead host does not open the breaker for a sibling host.</summary>
     [Fact]
     public async Task DeadHost_DoesNotOpenBreaker_ForSiblingHost()
     {
@@ -138,6 +145,7 @@ public sealed class DriverResiliencePipelineBuilderTests
         liveAttempts.ShouldBe(1, "healthy sibling host must not be affected by dead peer");
     }
 
+    /// <summary>Verifies that the circuit breaker opens after the failure threshold on tier A.</summary>
     [Fact]
     public async Task CircuitBreaker_Opens_AfterFailureThreshold_OnTierA()
     {
@@ -162,6 +170,7 @@ public sealed class DriverResiliencePipelineBuilderTests
             }));
     }
 
+    /// <summary>Verifies that timeout cancels slow operations.</summary>
     [Fact]
     public async Task Timeout_Cancels_SlowOperation()
     {
@@ -183,6 +192,7 @@ public sealed class DriverResiliencePipelineBuilderTests
             }));
     }
 
+    /// <summary>Verifies that invalidate removes only the matching instance.</summary>
     [Fact]
     public void Invalidate_Removes_OnlyMatchingInstance()
     {
@@ -200,6 +210,7 @@ public sealed class DriverResiliencePipelineBuilderTests
         builder.CachedPipelineCount.ShouldBe(2);
     }
 
+    /// <summary>Verifies that cancellation is not retried.</summary>
     [Fact]
     public async Task Cancellation_IsNot_Retried()
     {
@@ -220,6 +231,7 @@ public sealed class DriverResiliencePipelineBuilderTests
         attempts.ShouldBeLessThanOrEqualTo(1);
     }
 
+    /// <summary>Verifies that the tracker records failure on every retry.</summary>
     [Fact]
     public async Task Tracker_RecordsFailure_OnEveryRetry()
     {
@@ -240,6 +252,7 @@ public sealed class DriverResiliencePipelineBuilderTests
         snap!.ConsecutiveFailures.ShouldBe(retryCount);
     }
 
+    /// <summary>Verifies that the tracker stamps the breaker open when it trips.</summary>
     [Fact]
     public async Task Tracker_StampsBreakerOpen_WhenBreakerTrips()
     {
@@ -263,6 +276,7 @@ public sealed class DriverResiliencePipelineBuilderTests
         snap!.LastBreakerOpenUtc.ShouldNotBeNull();
     }
 
+    /// <summary>Verifies that the tracker isolates counters per host.</summary>
     [Fact]
     public async Task Tracker_IsolatesCounters_PerHost()
     {